UpstreamSurfaceHook: Add 'NativeSurface getUpstreamSurface()' (from EGLUpstreamSurfaceHook) to generalize ProxySurfaceImpl.getUpstreamSurface()

2 files changed, 24 insertions, 1 deletions

diff --git a/src/nativewindow/classes/com/jogamp/nativewindow/DelegatedUpstreamSurfaceHookWithSurfaceSize.java b/src/nativewindow/classes/com/jogamp/nativewindow/DelegatedUpstreamSurfaceHookWithSurfaceSize.java
index 9a462105f..568ac20fa 100644
--- a/src/nativewindow/classes/com/jogamp/nativewindow/DelegatedUpstreamSurfaceHookWithSurfaceSize.java
+++ b/src/nativewindow/classes/com/jogamp/nativewindow/DelegatedUpstreamSurfaceHookWithSurfaceSize.java
@@ -10,7 +10,7 @@ public class DelegatedUpstreamSurfaceHookWithSurfaceSize implements UpstreamSurf
 
     /**
      * @param upstream optional upstream UpstreamSurfaceHook used for {@link #create(ProxySurface)} and {@link #destroy(ProxySurface)}.
-     * @param surface mandatory {@link NativeSurface} used for {@link #getSurfaceWidth(ProxySurface)} and {@link #getSurfaceHeight(ProxySurface)}
+     * @param surface mandatory {@link NativeSurface} used for {@link #getSurfaceWidth(ProxySurface)} and {@link #getSurfaceHeight(ProxySurface)}, not used for {@link #getUpstreamSurface()}.
      */
     public DelegatedUpstreamSurfaceHookWithSurfaceSize(UpstreamSurfaceHook upstream, NativeSurface surface) {
         this.upstream = upstream;
@@ -20,6 +20,17 @@ public class DelegatedUpstreamSurfaceHookWithSurfaceSize implements UpstreamSurf
         }
     }
 
+    /**
+     * {@inheritDoc}
+     * <p>
+     * Returns <code>null</code>.
+     * </p>
+     */
+    @Override
+    public final NativeSurface getUpstreamSurface() {
+        return null;
+    }
+
     @Override
     public final void create(ProxySurface s) {
         if(null != upstream) {
diff --git a/src/nativewindow/classes/com/jogamp/nativewindow/UpstreamSurfaceHookMutableSize.java b/src/nativewindow/classes/com/jogamp/nativewindow/UpstreamSurfaceHookMutableSize.java
index 25e2bbd49..eca64db37 100644
--- a/src/nativewindow/classes/com/jogamp/nativewindow/UpstreamSurfaceHookMutableSize.java
+++ b/src/nativewindow/classes/com/jogamp/nativewindow/UpstreamSurfaceHookMutableSize.java
@@ -1,5 +1,6 @@
 package com.jogamp.nativewindow;
 
+import javax.media.nativewindow.NativeSurface;
 import javax.media.nativewindow.ProxySurface;
 import javax.media.nativewindow.UpstreamSurfaceHook;
 
@@ -41,5 +42,16 @@ public class UpstreamSurfaceHookMutableSize implements UpstreamSurfaceHook.Mutab
         return getClass().getSimpleName()+"[pixel "+ pixWidth + "x" + pixHeight + "]";
     }
 
+    /**
+     * {@inheritDoc}
+     * <p>
+     * Returns <code>null</code>.
+     * </p>
+     */
+    @Override
+    public final NativeSurface getUpstreamSurface() {
+        return null;
+    }
+
 }